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A Lac repressor is a tetramer repressed when bound to the inducer. The trp repressor is a ____________________

A Lac repressor is a tetramer repressed when bound to the inducer. The trp repressor is a ____________________ Correct Answer Dimer activated on inducer binding

A trp repressor is a dimer which can’t bind to the cis element unless it is bound to the inducer tryptophan. Only then it undergoes conformational change such that it then binds to the operator.

Related Questions

Consider the following statements and choose the correct answer:
1. The structural genes direct the synthesis of cellular proteins through messenger RNA (mRNA)
2. The promoter gene determines whether or not the structural genes are to be repressed by the repressor
3. The regulator gene directs the synthesis of a protein which may be an active repressor or an inactive repressor
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Lac repressor dissociates from its operator when the repressor binds to ____________
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The minimum Long Run Average Cost (LAC) can be determined on a
I. LAC curve for a normal production function
II. LAC curve for a linear production function
III. Planning curve
IV. Envelope curve
Trp repressor is a ____________
The active repressor binds to the inducer molecule to form an R-I complex which results in
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives. ________________ various signs of economic slowdown such as languishing industrial production and adverse __________________of the drought on rural livelihoods and demand, the government is apparently unable ____________________ unwilling to increase public spending to _________________ peoples material distress or to kick-start economic ____________________ to increase employment.
the government is apparently unable ____________________
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives. ________________ various signs of economic slowdown such as languishing industrial production and adverse __________________of the drought on rural livelihoods and demand, the government is apparently unable ____________________ unwilling to increase public spending to _________________ peoples material distress or to kick-start economic ____________________ to increase employment.
distress or to kick-start economic ____________________ to increase employment.